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JEE Main 2026 Preparation: Question Papers, Solutions, Mock Tests & Strategy Unacademy » JEE Study Material » Mathematics » Limitations of Squeeze Theorem

Limitations of Squeeze Theorem

Limitations of squeeze theorem, important inequality in squeeze theorem, important limits in squeeze theorem, the importance of squeeze theorem.

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We may have encountered various theorems in Calculus, particularly when determining the difficult limits and derivatives of functions. We use a variety of theorems and formulas to discover the limits of different types of functions, but we always strive to find the simplest way to solve them so that we can reach the answer quickly. One such use for solving limit problems is the sandwich theorem. In this post, you will learn about the sandwich theorem and how to use it to solve various calculus problems.

Squeeze (Sandwich)Theorem

The Sandwich Theorem, also known as the squeeze theorem, is used to find the limits of trigonometric functions. The pinching theorem is another name for this theory. The Sandwich theorem is commonly used in calculus and mathematical analysis. This theorem is most likely used to determine a function’s limit by comparing it to two other functions whose limits are known or clearly figured. 

In calculus and mathematical analysis, the squeeze theorem is used to confirm the limit of a function by comparing it to two other functions whose limits are known. It was first utilised geometrically by the mathematicians Archimedes and Eudoxus in an attempt to compute, and Carl Friedrich Gauss defined it in modern terms.

This finding is also known as the sandwich theorem or sandwich rule in the United Kingdom.

In that culture, the term “sandwich” refers to confining food between two slices of bread, as opposed to the more general term “open sandwich,” which refers to a single slice of bread.

As a result, in colloquial British English, the (sometimes unpleasant) circumstance of being sandwiched between two entities is referred to as being sandwiched between them.

The squeeze theorem, also known as the pinching theorem, the sandwich theorem, the sandwich rule, the police theorem, the between theorem, and occasionally the squeeze lemma, is a theorem about a function’s limit in calculus. The theorem is also known as the carabinieri theorem in Italy.

Important Inequality

cos x < < Sin x/1, 0 < x <π as sin(-x) = sin x and cos(-x) = cos x,

So we just prove the inequality for the interval (0,7).

Important limit in Squeeze Theorem

The squeeze theorem, also known as the sandwich theorem, the sandwich rule, the police theorem, the pinching theorem, and the squeeze lemma, is a mathematical theorem that is used to calculate the limit of a function when two additional functions with known limits are available. In calculus and mathematical analysis, the squeeze theorem is used. It’s usually used to confirm a function’s limit by comparing it to the limits of two other functions whose limits are known or easily computed. It was first utilised geometrically by the mathematicians Archimedes and Eudoxus in an attempt to compute, and Carl Friedrich Gauss defined it in modern terms.

In calculus and mathematical analysis, the squeeze theorem is used to confirm the limit of a function by comparing it to two other functions whose limits are known.

Utilising the Squeeze Theorem to set limits

  • Begin with a manageable beginning inequality.
  • Modify the inequality so that the middle expression represents the function we require.
  • Calculate the limits of the inequalities’ right and left ends.
  • Apply the Squeeze Theorem if they are equal.

Importance of Squeeze Theorem

The Sandwich Theorem, also known as the squeeze theorem, is used to find the limits of trigonometric functions. The pinching theorem is another name for this theory. The Sandwich theorem is commonly used in calculus and mathematical analysis. This theorem is most likely used to determine a function’s limit by comparing it to two other functions whose limits are known or clearly figured. Let’s have a look at the Sandwich theorem’s statement and proof.

A valuable tool for determining the limit of a difficult to compute or evaluate sequence or function.

You can save yourself the bother of working on that awkward case if you can establish it is always between two sequences, both convergent to the same limit, and whose behaviour is far more tractable.

Conclusion

The Sandwich Theorem is frequently employed in the computation of integrals as a sum limit. 

Limit Computations make advantage of it. It is used to demonstrate the convergence of many series by bounding them. I have discovered another intriguing application with numerous possibilities. The theorem, which provides a first-order approximation utilised in Physics, can be used to prove the limit of the sin function. This function is also known as the rectangular wave’s Fourier transform.

Another technique to solve difficult limits is to use the squeeze theorem. It operates by identifying two functions, f(x) and g(x), that are higher than and less than the goal function, h(x), for every x in their domains, respectively.

faq

Frequently asked questions

Get answers to the most common queries related to the JEE Examination Preparation.

Is the Sandwich Theorem applicable to infinite limits?

Ans: Yes, the sandwich theorem can be used to find infinite bounds. To find the lim x (sin x) / x....Read full

What is the origin of the name Squeeze Theorem?

Ans: According to the squeeze theorem, if a function f(x) is such that g(x) f(x) h (x). ...Read full

Who was the mathematician who came up with the Squeeze Theorem?

Ans: Hugo Steinhaus, a mathematician, came up with the squeeze theorem. Another mathematician named Stefan B...Read full

Is the Squeeze Theorem Limited to Trig?

Ans: In reality, the squeeze function can be applied to any function. However, when using the squee...Read full

How Does the Squeeze Theorem Work?

Ans: To use the squeeze theorem, first determine where the supplied function falls between two func...Read full

Ans: Yes, the sandwich theorem can be used to find infinite bounds. To find the lim x (sin x) / x.

Ans: According to the squeeze theorem, if a function f(x) is such that g(x) f(x) h (x).

 

Ans: Hugo Steinhaus, a mathematician, came up with the squeeze theorem. Another mathematician named Stefan Banach later proved it.

 

Ans: In reality, the squeeze function can be applied to any function. However, when using the squeeze theorem to solve problems, we frequently encounter those using trig functions.

Ans: To use the squeeze theorem, first determine where the supplied function falls between two functions. Then check to verify if the boundaries of those two functions are equal at the specified point. If that’s the case, use the squeeze theorem, which states that the limit of a given function is also the limit of each of the two functions.

 

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